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/*
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 * Copyright © 2012 Adrian Johnson
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 *
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 * Permission is hereby granted, free of charge, to any person
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 * obtaining a copy of this software and associated documentation
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 * files (the "Software"), to deal in the Software without
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 * restriction, including without limitation the rights to use, copy,
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 * modify, merge, publish, distribute, sublicense, and/or sell copies
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 * of the Software, and to permit persons to whom the Software is
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 * furnished to do so, subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice shall be
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 * included in all copies or substantial portions of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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 * SOFTWARE.
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 *
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 * Author: Adrian Johnson <ajohnson@redneon.com>
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 */
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#include "cairo-test.h"

            

        

            

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#define SIZE 60

            

        

            

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#define WIDTH  SIZE

            

        

            

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#define HEIGHT SIZE

            

        

            

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/* PDF transparency groups can be isolated or non-isolated. This test

            

        

            

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 * checks that the PDF output is using isolated groups. If the group

            

        

            

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 * is non-isolated the bottom half of the inner rectangle will be

            

        

            

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 * red. Note poppler-cairo currently ignores the isolated flag and

            

        

            

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 * treats the group as isolated.

            

        

            

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 *

            

        

            

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 * Refer to http://www.pdfvt.com/PDFVT_TransparencyGuide.html for an

            

        

            

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 * explanation isolated vs non-isolated.

            

        

            

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 */

            

        

            

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static cairo_test_status_t

            

        

            

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draw (cairo_t *cr, int width, int height)

            

        

            

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{

            

        

            

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    cairo_set_source_rgb (cr, 1, 1, 1);

            

        

            

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    cairo_paint (cr);

            

        

            

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    cairo_set_source_rgb (cr, 1, 0.5, 0);

            

        

            

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    cairo_rectangle (cr, 0, SIZE/2, SIZE, SIZE/2);

            

        

            

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    cairo_fill (cr);

            

        

            

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    cairo_set_operator (cr, CAIRO_OPERATOR_MULTIPLY);

            

        

            

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    cairo_push_group (cr);

            

        

            

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    cairo_set_source_rgb (cr, 0.7, 0.7, 0.7);

            

        

            

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    cairo_rectangle (cr, SIZE/4, SIZE/4, SIZE/2, SIZE/2);

            

        

            

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    cairo_fill (cr);

            

        

            

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    cairo_pop_group_to_source (cr);

            

        

            

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    cairo_paint (cr);

            

        

            

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    return CAIRO_TEST_SUCCESS;

            

        

            

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}

            

        

            

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CAIRO_TEST (pdf_isolated_group,

            

        

            

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	    "Check that transparency groups in PDF output are isolated",

            

        

            

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	    "group, operator", /* keywords */

            

        

            

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	    NULL, /* requirements */

            

        

            

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	    WIDTH, HEIGHT,

            

        

            

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	    NULL, draw)